Signy 06Z msl_pressure 1956 994.8 993.0 993.9 1001.2 1003.0 997.0 1000.6 1002.5 993.6 991.3 988.9 988.4 1957 989.7 997.5 986.2 994.9 992.1 989.6 988.5 1005.0 996.1 985.1 999.5 993.0 1958 988.1 995.3 995.3 992.0 994.4 992.2 1005.3 987.0 987.2 988.9 993.5 985.8 1959 981.6 985.6 991.1 990.6 985.6 1001.3 993.4 995.3 991.2 993.3 978.6 988.9 1960 991.8 992.7 991.5 983.3 992.7 998.2 991.6 985.1 999.3 991.2 978.0 991.2 1961 993.4 993.2 986.3 996.2 983.2 992.5 997.1 994.9 993.7 983.5 981.5 984.2 1962 992.6 991.3 988.5 992.3 1000.9 990.2 994.5 997.7 994.5 998.9 987.3 987.5 1963 982.9 989.9 982.9 989.5 993.2 994.0 996.7 998.8 997.4 986.4 994.4 991.2 1964 996.2 988.7 993.1 988.6 991.7 993.2 1010.4 987.0 997.6 992.2 990.8 997.9 1965 991.9 1000.8 998.8 991.5 987.8 990.0 997.0 1000.1 987.1 983.6 983.6 989.0 1966 990.9 988.3 990.3 992.0 988.8 997.5 994.5 991.4 990.4 990.2 992.9 991.0 1967 996.1 992.2 990.7 992.1 990.9 1000.5 993.7 1000.3 994.1 990.2 986.8 992.8 1968 986.8 991.9 992.1 996.5 989.5 987.7 990.4 992.4 990.4 991.2 990.6 991.4 1969 993.8 986.5 987.9 990.6 990.9 993.3 997.5 998.8 996.7 981.8 988.9 991.6 1970 - - - - - - - - - - - - 1971 - - - - - - - - - - - - 1972 - - - - - - - - - - - - 1973 - - - - - - - - - - - - 1974 - - - - - - - - - - - - 1975 - - - - - - - - - - - - 1976 - - - - - - - - - - - - 1977 - - - - - - - - - - - - 1978 - - - - - - - - - - - - 1979 - - - - - - - - - - - - 1980 - - - - - - - - - - - - 1981 - - - - - - - - - - - - 1982 - - - - - - - - - - - - 1983 - - - - - - - - - - - - 1984 985.3 989.4 994.3 986.5 989.8 995.9 999.7 993.0 1002.0 991.1 983.8 998.7 1985 996.8 984.4 990.2 991.5 997.4 1004.9 988.5 988.2 993.2 994.6 989.4 982.8 1986 985.3 987.2 992.6 991.0 997.4 987.2 986.9 988.8 987.7 993.4 982.8 984.6 1987 990.9 - 986.5 988.4 995.4 989.8 990.1 1000.7 989.1 989.1 986.8 989.7 1988 - - - - - - 994.8 997.3 994.4 1003.0 984.7 - 1989 990.9 992.4 994.6 990.5 992.0 987.8 1000.4 999.7 994.7 988.4 986.4 991.7 1990 994.8 992.7 989.0 986.0 1003.2 988.6 997.5 984.3 994.5 980.4 980.0 985.8 1991 - 993.6 991.3 994.2 987.9 990.3 992.2 992.0 1001.0 - 991.0 998.2 1992 994.0 988.6 989.6 999.3 997.4 1000.7 998.2 993.6 992.6 989.5 994.9 1001.5 1993 996.3 993.8 988.6 989.1 991.0 993.1 996.4 990.1 986.8 984.3 988.7 985.6 1994 984.6 989.5 991.3 994.9 993.0 998.3 993.3 993.7 985.2 987.6 - 991.7 1995 997.2 995.5 985.3 998.2 996.4 987.8 - 995.6 992.5 996.6 984.5 985.7 1996 - - - - - - - - - - - - 1997 - - - - - - - - - - - - 1998 - - - - - - - - - - - - 1999 - - - - - - - - - - - - 2000 - - - - - - - - - - - - 2001 - - - - - - - - - - - - 2002 - - - - - - - - - - - - 2003 - - - - - - - - - - - - 2004 - - - - - - - - - - - - 2005 - - - - - - - - - - - - 2006 - - - - - - - - - - - - 2007 - - - - - - - - - - - - 2008 - - - - - - - - - - - - 2009 - - - - - - - - - - - -